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References WILLEMS, G.—ARIJS, P.—PARYS, V. W.—DEMEESTER, P.: Capacity vs Availability Trade-offs in Mesh-Restorable WDM Networks, Design of Reliable Communication Networks (DRCN), Proc., Oct 01, Budapest, Hungary. SCHUPKE, A. D.: Reliability Models of WDM Self-Healing Rings, Second International Workshop on the Design of Reliable Communication Networks (DRCN), Munich, Germany, April 9-12, 2000. JURDANA, I.—MIKAC, B.: An Availability Analysis of Optical Cables, Proceedings WAON'98, pp. 153-160. INKRET, R.: Shaping of Entirely Optical Transmission Network with

References [1] Draft Revision of Recommendation ITU-R.M.1371, Technical characteristics for a universal shipborne automatic identification system using time division multiple access in VHF maritime mobile band, Radiocommunication study Groups, Interenational Telecomuniction Union, 2010. [2] Felski A., Grabski F., Specht C., An analytical method of the DGPS Radiobeacon signal Availability Prediction, Annual of Navigation, 1999, No. 1. [3] Felski A., Jaskólski K., Analysis of AIS availability (in Polish), Scientific Papers PNA Gdynia 2011. [4] Federal

References Chołda P., Jajszczyk A.: Ocena gotowości w sieciach telekomunikacyjnych (Evaluation of availability of telecommunication networks). Przegląd Telekomunikacyjny and Wiadomości Telekomunikacyjne. No. 2-3/2003. Pub. Sigma NOT Warsaw 2003. Klein L. A.: Sensor Technologies and date requirements if ITS. Artech Hause, ITS Library, 2001. Wawrzyński W., Siergiejczyk M. and others: Metody wykorzystania środków telematyki we wspomaganiu realizacji zadań transportowych. ( Methods of usage of telematics means in supporting fulfilment of transport tasks

random-request availability. IEEE Trans. Reliability 49, 2000, 80-84. [6] Marbach P., Tsitsiklis T. N.: Simulation based optimization of Markov reward process. IEEE Trans. Automat. Contr. 46, 2001, 191-209. [7] Migawa K., Knopik L., Neubauer A., Perczyński D.: Simulation of the model of technical object availability control. Engineering Mechanics, Institute of Thermomechanics Academy of Sciences of the Czech Republic, 2017, 654-657. [8] Migawa K., Knopik L., Wawrzyniak S.: Application of genetic algorithm to control the availability of technical systems. Engineering

REFERENCES [1] Felski A., Jaskólski K., Application of AIS Position Report to determinate Reliability Positioning Information of DGPS in area of the VTS ‘Gulf of Gdansk’, ‘European Journal of Navigation’, 2014, Vol. 12, No. 1. [2] Felski A., Jaskólski K., Banyś P., Comprehensive Assessment of Automatic Identification System (AIS) Data Application to Anti-collision Manoeuvring, ‘The Journal of Navigation’, 68, pp. 697–717, The Royal Institute of Navigation 2015. [3] IALA, Guide to the Availability and Reliability of Aids to Navigation, International Association of

References 1. Kaushik, M., G. Kumar, Preeti, R. Sharma. Availability Analysisfor Embedded Systemwith N-Version Programming Using Fuzzy Approach. – International Journalof Software Engineering, Technologyand Applications, Vol. 1 , 2015, No 1, pp. 90-101. 2. Wang, D., W. Xie, K. S. Trivedi. Performability Analysisof Clustered Systemswith Rejuvenationunder Varying Workload. – Performance Evaluation, Vol. 64 , 2007, No 3, pp. 247-265. 3. Zhao, J., Y. Wang, G. R. Ning, K. S. Trivedi, R. Matias, K. Y. Cai. A Comprehensive Approachto Optimal Software Rejuvenation

.F., BEUSEN, A.H.W.: Phosphorus demand for the 1970-2100 period: A scenario analysis of resource depletion. Glob. Environ. Chem., 20, 2010, 428-439. XU, G., WEI, L.L., SUN, J.N., SHAO, H.B., CHANG, S.X.: What is more important for enhancing nutrient bioavailability with biochar application into a sandy soil: Direct or indirect mechanism? Ecol. Eng., 52, 2013, 119-124. ZHAI, L., ZHUOMA, C.J., LIU, J., WANG, H., REN, T., GAI, X., XI, B. LIU, H.: Short-term effects of maize residue biochar on phosphorus availability in two soils with different phosphorus sorption capacities

Engineering and Science. Vol. 3. Iss. 6 p. 30–35. H aruna G., A bubakar I., R abia L. B., S aminu A., A bdullahi I., F austinus B. 2013. Open Journal of Modern Hydrology. Vol. 3 p. 115–121. DOI 10.4236/ojmh.2013.33015. H u Y. 2014. Water tower of the Yellow River in a changing climate: Toward an integrated assessment [online]. Delft, The Netherlands. UNESCO-IHE Institute for Water Education. PhD Thesis. ISBN 978-1-138-02714-5. pp. 112. [Access 12.10.2017]. Available at: http://repository.tudelft.nl/assets/uuid:f53620b8-3ce5-4f4b-9b48-a27d8c0496d5/2014_UNESCOIHE

Abstract

The paper pertains to matters related to the quantification of functional availability of military vehicles, with reference to exploitation intensity and reliability aspects. The conducted exploitation research paved the way for elaborating methods of determining functional availability for military vehicles, in particular focusing on exploitation intensity and reliability. The essential research was conducted using the developed mathematical model based on the probabilistic, stochastic Markov process, which allowed modelling the process of changes in the exploitation states of military vehicles. In the course of the research, which enabled the authors to estimate the functional availability value, four-layered probes of the military vehicles were used (different types and makes), from the second exploitation phase, with varied mileage from the beginning of the exploitation and average mileage per year.

REFERENCES [1] Banyś P., Engler E., Heymann F., Noack T., Timestamp Discrepancies in Multisensor NMEA Environment during Survey Voyage, ‘Scientific Journal of Maritime Unversity of Szczecin’, 2013, 36(108). [2] Felski A., Jaskólski K., Application of AIS Position Report to determinate Reliability Positioning Information of DGPS in area of the VTS ‘Gulf of Gdansk’, ‘European Journal of Navigation’, 2014, Vol. 12, No. 1. [3] Felski A., Nowak A., Woźniak T., Accuracy and availability of EGNOS — results of observations, ‘Artifficial Satellites’, 2011, Vol. 46, No. 3